Home / 3,316.89-4,973.03-2,380.41

Finding the Fourth Proportional to 3,316.89, 4,973.03 and 2,380.41

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Solution

The fourth proportional to 3,316.89, 4,973.03 and 2,380.41 is: 3,568.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.89 : 4,973.03 = 2,380.41 : x
  2. Step 2: Convert to fraction form
    3,316.89/4,973.03 = 2,380.41/x
  3. Step 3: Cross multiply
    3,316.89x = 4,973.03 × 2,380.41
  4. Step 4: Simplify right side
    3,316.89x = 11,837,871.40
  5. Step 5: Solve for x
    x = 11,837,871.40/3,316.89
  6. Step 6: Final answer
    x = 3,568.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.